.head{
    width:100%;
    background: #232323;
    height:40px;
    color:#fff;
    font-size: 14px;
}
.head .head_left{
    font-family: "Myriad Pro","Arial";
    margin-left:15px;
}
.head .head_left li{
    width:100px;
    height:40px;
    line-height: 40px;
    text-align: center;
    padding-top:5px;
    margin:0 15px;
}
.head .head_left a{
    color:#fff;
}
.head .head_left li span{
    line-height: 15px;
    display: block;
}
.head li{
    float:left;
}
.head .head_right{
    margin-right:15px;
}
.head .head_right li{
    height:40px;
    line-height: 40px;
    margin:0 10px;
}
.head .head_right li a{
    color:#fff;

}
.head .head_right .special{
    margin:0;
}
.head .headbg{
    background: url(../images/headAndFoot/headandfoot.png) no-repeat;
    margin-right:5px;
    margin-top:-2px;
    display: inline-block;
    width:14px;
    height:14px;
    vertical-align: middle;
}
.head .order{
    background-position: 0 -128px;
}
.head .reg{
    background-position: 0 -142px;
}
.head .cart{
    background-position: 0 -156px;
}

.foot{
    background: #232323;
    color:#fff;
    width:100%;
    display: flex;
    justify-content: space-around;
    padding:20px 40px;
    font-size:14px;
    position: relative;
    bottom:0;
    left:0;
    right:0;
    z-index: 55;
}
.foot a{
    color:#fff;
}
.foot .foot-section1{
    width:200px;
    text-align: center;
}
.foot .foot-section1 .email-form{
    width:175px;
    margin:15px auto;
}
.foot .foot-section1 .email-form input{
    outline: none;
    border:none;
    padding-left:5px;
    background: #fff;
    color:#666;
    height:30px;
    line-height: 30px;
}
.foot .foot-section1 .email-form .email-form-icon{
    display: inline-block;
    width:10px;
    height:16px;
    margin-left:-15px;
    vertical-align: middle;
    background:#fff url(../images/headAndFoot/headandfoot.png) no-repeat 0 -112px;
}
.foot .foot-section1 .info-icon{
    margin-top:20px;
}
.foot .foot-section1 .info-icon .wechat-icon,.weibo-icon{
    display: inline-block;
    width:20px;
    height:16px;
    background: url(../images/headAndFoot/headandfoot.png) no-repeat;
}
.foot .foot-section1 .info-icon .weibo-icon{
    background-position: 0 -16px;
    margin-left:5px;
}

.foot .foot-section2 li{
    height:30px;
    line-height: 30px;
}
.foot .foot-section3 li{
    height:30px;
    line-height: 30px;
}
.foot .foot-section3 .foot-address{
    display: inline-block;
    width:14px;
    height:18px;
    background: url(../images/headAndFoot/headandfoot.png) no-repeat 0 -32px;
    vertical-align: middle;
    margin-right:5px;
}
.foot .foot-section3 .foot-tel{
    width:16px;
    height:18px;
    display: inline-block;
    background: url(../images/headAndFoot/headandfoot.png) no-repeat 0 -50px;
    vertical-align: middle;
    margin-right:5px;
}
.foot .foot-section3 .foot-email{
    display: inline-block;
    width:16px;
    height:14px;
    vertical-align: middle;
    margin-right:5px;
    background: url(../images/headAndFoot/headandfoot.png) no-repeat 0 -68px;
}
.foot .foot-section4{
    text-align: center;
}
.foot .foot-section4 .foot-address-section4{
    display: inline-block;
    width:20px;
    height:30px;
    vertical-align: middle;
    margin-right:5px;
    background: url(../images/headAndFoot/headandfoot.png) no-repeat 0 -82px;
    margin-top:10px;
}

.nav{
    width:600px;
    margin:0 auto;
    text-align: center;
}
.nav ul{
    display: flex;
    margin:20px 0 10px;
    justify-content: space-around;
}
.nav ul a{
    color:#333;
}
.nav ul li{
    position: relative;
}
.nav .ofus{
    width:120px;
    padding:10px;
    background: #fff;
    position: absolute;
    z-index: 100;
    transition: all 0.5s;
    opacity: 0;
}
.nav .ofus div{
    height:30px;
    line-height: 30px;
    text-align: center;
}
.nav .ofus-box{
    transition: all 0.5s;
}
.nav .ofus-box:hover .ofus{
    opacity: 1;
}